FX Orders Eight Episodes Of X-MEN Spin-Off LEGION!! Read the full article on AICN I am – Hercules!! The print version of mutant David Charles Haller, introduced in 1985’s New Mutants #25, has the Rogue-ish ability to absorb the personalities and superpowers of others. His abilities came to include reality warping, time travel, telepathy and telekinesis. The print Haller, also known as “Legion,” is Charles Xavier’s son, the result of the randy Xavier impregnating Israel’s ambassador to Great Britain.